<!DOCTYPE html>
<html>
  <head>
    <title>Login.html</title> 
  </head>
  
  <body>
    <form action="http://localhost:9090/jeecg_work1_mvc/servlet/ActionServlet" method="post">
       <input type="text" name="a"/><br>
       <input type="password" name="b"/>
       <input type="hidden" name="sign" value="mvc.bussiness.SomeForm"/>
       <input type="submit"/>
    </form>
  </body>
</html>
